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EN 10087 11SMn37 vs EN 10087 9SMnPb28

Strong Match — 91.9% match based on chemical composition and mechanical property overlap.

EN 10087 11SMn37 (EN 10087:1998) and EN 10087 9SMnPb28 (EN 10087:1998) are both steel grades. Both fall under the Free Machining Steel category. EN 10087 11SMn37 is typically used for precision turned components, automotive parts, while EN 10087 9SMnPb28 is commonly used for complex precision turned parts. EN 10087 11SMn37 is defined under European Standard (EN), originating from Europe, while EN 10087 9SMnPb28 is defined under European Standard (EN), originating from Europe.

As per chemical composition, EN 10087 11SMn37 vs EN 10087 9SMnPb28 is a 87.8% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 91.9%.

Frequently Compared With EN 10087 11SMn37:
IS 4432 10C8S10 SAE J403 1141 IS 1570 (Part 3) 10C8S10 SAE J403 1117 SAE J403 1117 SAE J403 1117 SAE J403 1118 SAE J403 1118 SAE J403 1126 SAE J403 1126 SAE J403 1126 SAE J403 1132
Match Breakdown
CHEMISTRY MATCH
87.8%
MECHANICAL MATCH
100%
OVERALL
91.9%
Specifications
Property EN 10087 11SMn37 EN 10087 9SMnPb28
Standard EN 10087:1998 EN 10087:1998
Category Free Machining Steel Free Machining Steel
C (%) ≤0.14 ≤0.14
Si (%) ≤0.05 Not specified
Mn (%) 0.90–1.30 0.90–1.30
S (%) 0.34–0.40 0.24–0.32
P (%) ≤0.110 Not specified
Pb (%) Not specified 0.15–0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN 10087 11SMn37 EN 10087 9SMnPb28
Tensile Strength 380–570 MPa 380–570 MPa
Elongation ≥5% ≥5%
Hardness ≤180 HB Not specified
Typical Applications
EN 10087 11SMn37
Precision turned components, automotive parts
EN 10087 9SMnPb28
Complex precision turned parts
Key Differences
Can EN 10087 11SMn37 Be Substituted With EN 10087 9SMnPb28?
EN 10087 11SMn37 and EN 10087 9SMnPb28 overlap closely enough on chemistry and mechanical properties that EN 10087 9SMnPb28 is often considered as a substitute for EN 10087 11SMn37 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
EN 10087 11SMn37
Hex Bar → (3 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2500–3100 mm (98.43–122.05 in)
EN 10087 9SMnPb28
Hex Bar → (2 listings)
Across Flats: 25–25 mm (0.98–0.98 in)
Length: 2800–3200 mm (110.24–125.98 in)
On M-EX Right Now
EN 10087 11SMn37
3 active listings and RFQs →
EN 10087 9SMnPb28
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10087 11SMn37 and EN 10087 9SMnPb28?
EN 10087 11SMn37 specifies Si, P which are not specified for EN 10087 9SMnPb28. EN 10087 9SMnPb28 specifies Pb which is not specified for EN 10087 11SMn37.
Can EN 10087 11SMn37 be substituted with EN 10087 9SMnPb28?
EN 10087 11SMn37 and EN 10087 9SMnPb28 overlap closely enough on chemistry and mechanical properties that EN 10087 9SMnPb28 is often considered as a substitute for EN 10087 11SMn37 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.